Home / 19,654.42-27,118.87-11,695.09

Finding the Fourth Proportional to 19,654.42, 27,118.87 and 11,695.09

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Solution

The fourth proportional to 19,654.42, 27,118.87 and 11,695.09 is: 16,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.42 : 27,118.87 = 11,695.09 : x
  2. Step 2: Convert to fraction form
    19,654.42/27,118.87 = 11,695.09/x
  3. Step 3: Cross multiply
    19,654.42x = 27,118.87 × 11,695.09
  4. Step 4: Simplify right side
    19,654.42x = 317,157,431.28
  5. Step 5: Solve for x
    x = 317,157,431.28/19,654.42
  6. Step 6: Final answer
    x = 16,136.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.